<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>表格合并</title>
	</head>
	<body>
		<table border="1px">
			<tr>
				<th>aaa</th>
				<th>aaa</th>
				<th>aaa</th>
				<th>aaa</th>
			</tr>
			<tr>
				<td rowspan="2">aaa</td>        <!-- rowspan合并列 -->
				<td colspan="2">aaa</td>         <!-- colspan合并行 -->
				<td>aaa</td>
			</tr>
			<tr>
				<td>aaa</td>
				<td>aaa</td>
				<td>aaa</td>
			</tr>
			
		</table>
	</body>
</html>
